2544994447 has 2 divisors, whose sum is σ = 2544994448. Its totient is φ = 2544994446.

The previous prime is 2544994433. The next prime is 2544994471. The reversal of 2544994447 is 7444994452.

It is a happy number.

2544994447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2544994447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2544994394 and 2544994403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544994747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272497223 + 1272497224.

It is an arithmetic number, because the mean of its divisors is an integer number (1272497224).

Almost surely, 2^2544994447 is an apocalyptic number.

2544994447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544994447 is an equidigital number, since it uses as much as digits as its factorization.

2544994447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 52.

The square root of 2544994447 is about 50447.9379856105. The cubic root of 2544994447 is about 1365.3026914409.

The spelling of 2544994447 in words is "two billion, five hundred forty-four million, nine hundred ninety-four thousand, four hundred forty-seven".